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Network Security Snort-Users
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Re: [Snort-users] I can not see it

Subject: Re: [Snort-users] I can not see it
Date: Thu, 5 Oct 2006 12:39:12 -0500
Snort starts as a service - "service snort start or restart or stop" are the
options there.  In order to shift your sensor to eth1 you need to modify the
snort startup script in the /etc/init.d directory to change the default eth0
to eth1
nwo

On 10/5/06, Greta.Ji@sungard.com <Greta.Ji@sungard.com> wrote:


That is my another question. When I run "snort start", I got prompt:
        Starting snort service:

What should I enter? I know, there are lot of reading, but I just start.


Thank you,

--Greta

-----Original Message-----
From: Patrick S. Harper [mailto:patrick@internetsecurityguru.com]
Sent: Thursday, October 05, 2006 12:54 PM
To: Ji, Greta; kisero@gmail.com
Cc: Snort-users@lists.sourceforge.net
Subject: RE: [Snort-users] I can not see it

You will need to change the interface in your init script then restart
snort


-----Original Message----- From: snort-users-bounces@lists.sourceforge.net [mailto:snort-users-bounces@lists.sourceforge.net] On Behalf Of Greta.Ji@sungard.com Sent: Thursday, October 05, 2006 9:37 AM To: kisero@gmail.com Cc: Snort-users@lists.sourceforge.net Subject: Re: [Snort-users] I can not see it

Esteban,

Thank you to answer my mail. I spent few hours, finally fixed the
problem.
When I use "tcpdump -i eth1", I can see the traffic send from switch.
I have another problem. Snort/BASE only capture eth0 traffic, which I
use for the monitor connection. I can not see traffic on eth1.

How can I sniff eth1 traffic to Snort? I checked the snort.conf, I did
not find anywhere for it.

Thank you for all of your help,

--Greta
________________________________

From: Esteban Ribicic [mailto:kisero@gmail.com]
Sent: Thursday, October 05, 2006 10:12 AM
To: Ji, Greta
Cc: Snort-users@lists.sourceforge.net
Subject: Re: [Snort-users] I can not see it


maybe u are confusing the nic u must sniff, try tcpdump -i any -n (under linux)


On 10/3/06, Greta.Ji@sungard.com <Greta.Ji@sungard.com> wrote:

        Hi,

        I am a new user on this list. I have a simple problem, and hope
to
get a
        help. I just installed Snort 2.6 on Centos. I follow the
document to
bring
        eth1 up (eth0 has IP to connect to the Internal network).  But I
can
not
        see any traffic on eth1 (tcpdump -i eth1). I checked the switch,
I
can see
        traffice on the interface (# sh interface f0/8):

            monitor session 1 source interface Fa0/2
            monitor session 1 destination interface Fa0/8

             270471 packets output, 65224246 bytes, 0 underruns

        Did I missing anything at here? Could some one help me?

        Thank you,

        --Greta


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